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Rumsey Ch. 3 Weather
weather terms from chapter 3. Storms, fronts, and predicting the weather.
| Question | Answer |
|---|---|
| Results of a cold air mass running into a warm air mass. Brings thunderstorms in the summer and snow in the winter. | cold front |
| A difference between cyclones and anticyclones | directions of the winds |
| A huge body of air that has similar temp., humidity, and air pressure throughout. | air mass |
| Four major types of air masses that influence the weather in North America | maritime polar, maritime tropical, continental polar, continental tropical |
| People who study weather and try to predict it | meteorologist |
| Lines that join places that have the same air pressure | isobars |
| A warm air mass takes over a cold air mass. Brings steady, long-lasting rain or snowfall. | warm front |
| These advances in technology have made predicting the weather more reliable. | weather balloons, satellites, and computers. |
| A small change in the weather today can mean a larger change in the weather a week later, because the weather does not follow a step by step process. | the butterfly effect |
| Four types of fronts | occluded, warm, cold, and stationary |
| A dramatic climate change that occurs every 2-7 years | El Nino |
| The major cause of the heating of our atmosphere | the sun |
| Winds that spin counterclockwise and are associated with storms | cyclones |
| When two cooler air masses cut off a warm air mass from the ground | occluded front |
| When two air masses meet and don't mix | front |
| This front may bring many days of rain because neither air mass can move the other. Altocumulus clouds form for many days. | stationary |
| A swirling center of low pressure associated with storms and precipitation. | Cyclone |
| A swirling center of high pressure associated with clear weather. | Anticyclones |
| boundary where the warm and cold air masses meet. | Frontal boundaries |
| air that is less dense and rises | warm air |
| air that is more dense and sinks | cold air |
| As warm air cools, the moisture condenses to form | clouds |
| weather type that warm front most likely will produce | light rain |
| driving factors for all weather here on Earth, such as storms and local weather systems | sun heats the air at different rates, the atmosphere must try to equalize temperature and pressure. |
| area of low air pressure often associated with fronts | trough |
| primary source of energy for weather phenomena | solar radiation |
| Winds that move from west to east. Effect the weather here in the United States. | Prevailing Westerlies |
Created by:
crumsey
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